D. Burning of waste, especially plastic adds up obnoxious fumes in the air.

E. Garbage dumps and decomposed waste helps many harmful species to breed in them.

F. The infected water supply also leads to large scale epidemics.

Solid Waste Management

The process of transportation, storage, collection and processing of solid waste in a protective and economic manner is termed as solid waste management. The above steps are followed thoroughly in waste management, its first and foremost priority is waste avoidance by minimizing it. To reduce waste, reuse it and recycle, it is called waste prevention.

It is our second priority to reuse, recycles it at the maximum level. Once the possibility of waste prevention is exhausted, the next priority is to reduce the volume of residual waste pass on for final disposal. In recycling, material is separated from the garbage for the process of recycling. For example

A. Old cars are recycled in the German industry.

B. Gas, oil, Chemicals and Tar are also retrieved from the old tyres.

C. Papers, cans etc. are recycled to produce fresh papers.

D. Glass is melted to prepare new articles.

Disposal

It involves the following process:

Sanitary landfill:

The people in the city dump around 90% of the solid waste into natural or constructed pit or depression which compacts due to the surrounding dust.

Composting:

In this process, the materials like glass, rubber and plastic etc. are separated and the rest waste is exposed for bacterial action for decomposition for several months to produce manure.

Incineration:Burning of waste to warm up residential units is termed as incineration. It is a convenient and quick method.

Pyrolysis:

It’s the process of burning the waste in absence of 02– In it organic compounds split into gaseous and gaseous fractions (CO, C02, CH4, tar and charred carbon).

Disposal into sea:

It’s a simple and cheap method in which the solid waste is disposed under deep sea water at a remarkable distance from the coastal areas.

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